Time difference between San Francisco and Seoul
Seoul is 16 hours ahead of San Francisco.
San Francisco to Seoul time converter
Green rows are office hours in both places; light green rows are when both are awake.
| San Francisco | Seoul |
|---|---|
| 12:00 AM | 4:00 PM |
| 1:00 AM | 5:00 PM |
| 2:00 AM | 6:00 PM |
| 3:00 AM | 7:00 PM |
| 4:00 AM | 8:00 PM |
| 5:00 AM | 9:00 PM |
| 6:00 AM | 10:00 PM |
| 7:00 AM | 11:00 PM |
| 8:00 AM | 12:00 AM (next day) |
| 9:00 AM | 1:00 AM (next day) |
| 10:00 AM | 2:00 AM (next day) |
| 11:00 AM | 3:00 AM (next day) |
| 12:00 PM | 4:00 AM (next day) |
| 1:00 PM | 5:00 AM (next day) |
| 2:00 PM | 6:00 AM (next day) |
| 3:00 PM | 7:00 AM (next day) |
| 4:00 PM | 8:00 AM (next day) |
| 5:00 PM | 9:00 AM (next day) |
| 6:00 PM | 10:00 AM (next day) |
| 7:00 PM | 11:00 AM (next day) |
| 8:00 PM | 12:00 PM (next day) |
| 9:00 PM | 1:00 PM (next day) |
| 10:00 PM | 2:00 PM (next day) |
| 11:00 PM | 3:00 PM (next day) |
Questions
What is the time difference between San Francisco and Seoul?
Seoul is 16 hours ahead of San Francisco. San Francisco is on UTC−7 and Seoul is on UTC+9.
What time is it in Seoul when it is 9 AM in San Francisco?
When it is 9:00 AM in San Francisco, it is 1:00 AM the next day in Seoul.
When is the best time to call Seoul from San Francisco?
The best time to call or meet is 5:00 PM–6:00 PM in San Francisco (9:00 AM–10:00 AM in Seoul), when both places are in normal office hours.
Does the time difference between San Francisco and Seoul change?
Yes. Because of daylight saving time, the difference changes on Sunday, November 1, 2026, when Seoul will be 17 hours ahead of San Francisco.
San Francisco is 16 hours behind Seoul. More: time in San Francisco · time in Seoul
Time difference from San Francisco to other cities
- San Francisco to London
- San Francisco to New York
- San Francisco to Tokyo
- San Francisco to Los Angeles
- San Francisco to Paris
- San Francisco to Dubai
- San Francisco to Manila
- San Francisco to Singapore
- San Francisco to Sydney
- San Francisco to Chicago
- San Francisco to Hong Kong
- San Francisco to Toronto
- San Francisco to Washington, D.C.
- San Francisco to Beijing
- San Francisco to Berlin
- San Francisco to Shanghai
- San Francisco to Bangkok
- San Francisco to Delhi
- San Francisco to Moscow
- San Francisco to Mumbai
- San Francisco to Rome
- San Francisco to Amsterdam
- San Francisco to Istanbul
- San Francisco to Las Vegas